import axios from 'axios';
import { Notification, MessageBox, Message, Loading } from 'element-ui';
import store from '@/store';
import { getToken, removeToken } from '@/utils/auth';
import errorCode from '@/utils/errorCode';
import { tansParams, blobValidate, isJSONString } from '@/utils/ruoyi';
import cache from '@/plugins/cache';
import { saveAs } from 'file-saver';

import AES from '@/utils/encryption';
import { globalRegister } from '../../global-state/src';

let downloadLoadingInstance;
// 是否显示重新登录
let isReloginShow;

let baseUrl;
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8';
// if (window.__POWERED_BY_QIANKUN__) {
//     baseUrl='/dev-api'
// } else {
baseUrl = window.location.origin + '/prod-api';
// baseUrl = 'http://192.168.20.242:39000/prod-api';
// baseUrl = 'http://192.168.140.233:28080';
// setTimeout(()=>{
// })

// }
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: baseUrl,
  // baseURL: process.env.NODE_ENV === "development"?'':'',
  // baseURL: process.env.NODE_ENV === "development"?'/dev-api':'/prod-api',
  // baseURL:'/dev-api',
  // baseURL:'/prod-api',
  // 超时
  timeout: 30000,
});
// request拦截器
service.interceptors.request.use(
  config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false;
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;
    if (getToken() && !isToken) {
      config.headers['Authorization'] = 'Bearer ' + getToken(); // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
      let url = config.url + '?' + tansParams(config.params);
      url = url.slice(0, -1);
      config.params = {};
      config.url = url;
    }
    if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
      const requestObj = {
        url: config.url,
        data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
        time: new Date().getTime(),
      };
      const sessionObj = cache.session.getJSON('sessionObj');

      if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
        cache.session.setJSON('sessionObj', requestObj);
      } else {
        const s_url = sessionObj.url; // 请求地址
        const s_data = sessionObj.data; // 请求数据
        const s_time = sessionObj.time; // 请求时间
        const interval = 800; // 间隔时间(ms)，小于此时间视为重复提交
        if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
          const message = '数据正在处理，请勿重复提交';
          Message.error(message);
          return Promise.reject(new Error(message));
        } else {
          cache.session.setJSON('sessionObj', requestObj);
        }
      }
    }
    if (config.data && store.state.global.isEncryption) {
      config.data = AES.encrypt(JSON.stringify(config.data));
      // let sm4Decrypt = sm4.decrypt(config.data, sm4Key)
    } else {
      config.data = config.data;
    }
    return config;
  },
  error => {
    Promise.reject(error);
  },
);

// 响应拦截器
service.interceptors.response.use(
  res => {
    if (store.state.global.isEncryption) {
      res.data = isJSONString(AES.decrypt(res.data)) ? JSON.parse(AES.decrypt(res.data)) : AES.decrypt(res.data);
    }

    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default'];
    // 二进制数据则直接返回
    if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
      return res;
    }
    if (code === 401) {
      if (!isReloginShow) {
        isReloginShow = true;
        MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning',
        })
          .then(() => {
            isReloginShow = false;
            removeToken();
            // 如果是登录页面不需要重新加载
            if (window.location.hash.indexOf('#/login') != 0) {
              location.href = location.origin + '/#/login';
            }
            // store.dispatch('LogOut').then(() => {
            //
            // })
          })
          .catch(() => {
            isReloginShow = false;
          });
      }
      return Promise.reject('登录状态已过期，请重新登录。');
    } else if (code === 500) {
      Message({
        message: msg,
        type: 'error',
      });
      return Promise.reject(new Error(msg));
    } else if (code !== 200) {
      Notification.error({
        title: msg,
      });
      return Promise.reject('error');
    } else {
      return res.data;
    }
  },
  error => {
    let { message } = error;
    if (message == 'Network Error') {
      message = '后端接口连接异常';
    } else if (message.includes('timeout')) {
      message = '系统接口请求超时';
    } else if (message.includes('Request failed with status code')) {
      message = '系统接口' + message.substr(message.length - 3) + '异常';
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000,
    });
    return Promise.reject(error);
  },
);

// 通用下载方法
export function download(url, params, filename) {
  downloadLoadingInstance = Loading.service({
    text: '正在下载数据，请稍候',
    spinner: 'el-icon-loading',
    background: 'rgba(0, 0, 0, 0.7)',
  });
  return service
    .post(url, params, {
      // transformRequest: [(params) => { return tansParams(params) }],
      // headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
      headers: { 'Content-Type': 'application/json;charset=utf-8' },
      responseType: 'blob',
    })
    .then(async res => {
      const data = res.data;
      let serverFilename;
      const disposition = res.headers['content-disposition'];
      const filenameRegex = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/;
      const matches = filenameRegex.exec(disposition);
      if (matches != null && matches[1]) {
        serverFilename = decodeURI(matches[1].replace(/['"]/g, ''));
      }
      const isLogin = await blobValidate(data);
      if (isLogin) {
        const blob = new Blob([data]);
        saveAs(blob, serverFilename ? serverFilename : filename);
      } else {
        const resText = await data.text();
        const rspObj = JSON.parse(resText);
        const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default'];
        Message.error(errMsg);
      }
      downloadLoadingInstance.close();
    })
    .catch(r => {
      Message.error('下载文件出现错误，请联系管理员！');
      downloadLoadingInstance.close();
    });
}

export default service;
